kubernetes/docs/getting-started-guides/coreos/cloud-configs/master.yaml

#cloud-config

---
hostname: master
coreos:
  etcd2:
    name: master
    listen-client-urls: http://0.0.0.0:2379,http://0.0.0.0:4001
    advertise-client-urls: http://$private_ipv4:2379,http://$private_ipv4:4001
    initial-cluster-token: k8s_etcd
    listen-peer-urls: http://$private_ipv4:2380,http://$private_ipv4:7001
    initial-advertise-peer-urls: http://$private_ipv4:2380
    initial-cluster: master=http://$private_ipv4:2380
    initial-cluster-state: new
  fleet:
    metadata: "role=master"
  units:
    - name: setup-network-environment.service
      command: start
      content: |
        [Unit]
        Description=Setup Network Environment
        Documentation=https://github.com/kelseyhightower/setup-network-environment
        Requires=network-online.target
        After=network-online.target

        [Service]
        ExecStartPre=-/usr/bin/mkdir -p /opt/bin
        ExecStartPre=/usr/bin/curl -L -o /opt/bin/setup-network-environment -z /opt/bin/setup-network-environment https://github.com/kelseyhightower/setup-network-environment/releases/download/v1.0.0/setup-network-environment
        ExecStartPre=/usr/bin/chmod +x /opt/bin/setup-network-environment
        ExecStart=/opt/bin/setup-network-environment
        RemainAfterExit=yes
        Type=oneshot
    - name: fleet.service
      command: start
    - name: flanneld.service
      command: start
      drop-ins:
        - name: 50-network-config.conf
          content: |
            [Unit]
            Requires=etcd2.service
            [Service]
            ExecStartPre=/usr/bin/etcdctl set /coreos.com/network/config '{"Network":"10.244.0.0/16", "Backend": {"Type": "vxlan"}}'
    - name: docker-cache.service
      command: start
      content: |
        [Unit]
        Description=Docker cache proxy
        Requires=early-docker.service
        After=early-docker.service
        Before=early-docker.target

        [Service]
        Restart=always
        TimeoutStartSec=0
        RestartSec=5
        Environment="TMPDIR=/var/tmp/"
        Environment="DOCKER_HOST=unix:///var/run/early-docker.sock"
        ExecStartPre=-/usr/bin/docker kill docker-registry
        ExecStartPre=-/usr/bin/docker rm docker-registry
        ExecStartPre=/usr/bin/docker pull quay.io/devops/docker-registry:latest
        # GUNICORN_OPTS is an workaround for
        # https://github.com/docker/docker-registry/issues/892
        ExecStart=/usr/bin/docker run --rm --net host --name docker-registry \
            -e STANDALONE=false \
            -e GUNICORN_OPTS=[--preload] \
            -e MIRROR_SOURCE=https://registry-1.docker.io \
            -e MIRROR_SOURCE_INDEX=https://index.docker.io \
            -e MIRROR_TAGS_CACHE_TTL=1800 \
            quay.io/devops/docker-registry:latest
    - name: docker.service
      content: |
        [Unit]
        Description=Docker Application Container Engine
        Documentation=http://docs.docker.com
        After=docker.socket early-docker.target network.target
        Requires=docker.socket early-docker.target

        [Service]
        Environment=TMPDIR=/var/tmp
        EnvironmentFile=-/run/flannel_docker_opts.env
        EnvironmentFile=/etc/network-environment
        MountFlags=slave
        LimitNOFILE=1048576
        LimitNPROC=1048576
        ExecStart=/usr/lib/coreos/dockerd --daemon --host=fd:// --registry-mirror=http://${DEFAULT_IPV4}:5000 $DOCKER_OPT_BIP $DOCKER_OPT_MTU $DOCKER_OPT_IPMASQ

        [Install]
        WantedBy=multi-user.target
      drop-ins:
        - name: 51-docker-mirror.conf
          content: |
            [Unit]
            # making sure that docker-cache is up and that flanneld finished
            # startup, otherwise containers won't land in flannel's network...
            Requires=docker-cache.service flanneld.service
            After=docker-cache.service flanneld.service
    - name: kube-apiserver.service
      command: start
      content: |
        [Unit]
        Description=Kubernetes API Server
        Documentation=https://github.com/GoogleCloudPlatform/kubernetes
        Requires=etcd2.service setup-network-environment.service
        After=etcd2.service setup-network-environment.service

        [Service]
        EnvironmentFile=/etc/network-environment
        ExecStartPre=-/usr/bin/mkdir -p /opt/bin
        ExecStartPre=/usr/bin/curl -L -o /opt/bin/kube-apiserver -z /opt/bin/kube-apiserver https://storage.googleapis.com/kubernetes-release/release/v0.15.0/bin/linux/amd64/kube-apiserver
        ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-apiserver
        ExecStart=/opt/bin/kube-apiserver \
        --allow_privileged=true \
        --insecure_bind_address=0.0.0.0 \
        --insecure_port=8080 \
        --kubelet_https=true \
        --secure_port=6443 \
        --service-cluster-ip-range=10.100.0.0/16 \
        --etcd_servers=http://127.0.0.1:4001 \
        --public_address_override=${DEFAULT_IPV4} \
        --logtostderr=true
        Restart=always
        RestartSec=10
    - name: kube-controller-manager.service
      command: start
      content: |
        [Unit]
        Description=Kubernetes Controller Manager
        Documentation=https://github.com/GoogleCloudPlatform/kubernetes
        Requires=kube-apiserver.service
        After=kube-apiserver.service

        [Service]
        ExecStartPre=/usr/bin/curl -L -o /opt/bin/kube-controller-manager -z /opt/bin/kube-controller-manager https://storage.googleapis.com/kubernetes-release/release/v0.15.0/bin/linux/amd64/kube-controller-manager
        ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-controller-manager
        ExecStart=/opt/bin/kube-controller-manager \
        --master=127.0.0.1:8080 \
        --logtostderr=true
        Restart=always
        RestartSec=10
    - name: kube-scheduler.service
      command: start
      content: |
        [Unit]
        Description=Kubernetes Scheduler
        Documentation=https://github.com/GoogleCloudPlatform/kubernetes
        Requires=kube-apiserver.service
        After=kube-apiserver.service

        [Service]
        ExecStartPre=/usr/bin/curl -L -o /opt/bin/kube-scheduler -z /opt/bin/kube-scheduler https://storage.googleapis.com/kubernetes-release/release/v0.15.0/bin/linux/amd64/kube-scheduler
        ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-scheduler
        ExecStart=/opt/bin/kube-scheduler --master=127.0.0.1:8080
        Restart=always
        RestartSec=10
    - name: kube-register.service
      command: start
      content: |
        [Unit]
        Description=Kubernetes Registration Service
        Documentation=https://github.com/kelseyhightower/kube-register
        Requires=kube-apiserver.service
        After=kube-apiserver.service
        Requires=fleet.service
        After=fleet.service

        [Service]
        ExecStartPre=/usr/bin/curl -L -o /opt/bin/kube-register -z /opt/bin/kube-register https://github.com/kelseyhightower/kube-register/releases/download/v0.0.3/kube-register-0.0.3-linux-amd64
        ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-register
        ExecStart=/opt/bin/kube-register \
        --metadata=role=node \
        --fleet-endpoint=unix:///var/run/fleet.sock \
        --api-endpoint=http://127.0.0.1:8080 \
        --healthz-port=10248
        Restart=always
        RestartSec=10
  update:
    group: alpha
    reboot-strategy: off